What is the BCD representation of decimal number 25?

Options

  • A. 11001
  • B. 0010 0101
  • C. 0001 1001
  • D. 0101 0010
  • E. None of the above

Correct Answer (Detailed Explanation is Below)

B. 0010 0101

Detailed Explanation

Correct Answer: (B) 0010 0101
BCD represents each decimal digit separately. Decimal 2 = 0010 and decimal 5 = 0101. Therefore, 25 in BCD is 0010 0101. Do not confuse BCD with ordinary binary, where 25 = 11001.